Differential D18724 Diff 44949 src/moduleutils/PhutilBootloader.php

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src/moduleutils/PhutilBootloader.php

Show First 20 Lines • Show All 198 Lines • ▼ Show 20 Lines	final class PhutilBootloader {

public function loadLibrary($path) {		public function loadLibrary($path) {
$root = null;		$root = null;
if (!empty($_SERVER['PHUTIL_LIBRARY_ROOT'])) {		if (!empty($_SERVER['PHUTIL_LIBRARY_ROOT'])) {
if ($path[0] != '/') {		if ($path[0] != '/') {
$root = $_SERVER['PHUTIL_LIBRARY_ROOT'];		$root = $_SERVER['PHUTIL_LIBRARY_ROOT'];
}		}
}		}
$okay = $this->executeInclude($root.$path.'/__phutil_library_init__.php');
if (!$okay) {		$this->executeInclude($root.$path.'/__phutil_library_init__.php');
throw new PhutilBootloaderException(
"Include of '{$path}/__phutil_library_init__.php' failed!");
}
}		}

public function loadLibrarySource($library, $source) {		public function loadLibrarySource($library, $source) {
$path = $this->getLibraryRoot($library).'/'.$source;		$path = $this->getLibraryRoot($library).'/'.$source;
$okay = $this->executeInclude($path);		$this->executeInclude($path);
if (!$okay) {
throw new PhutilBootloaderException("Include of '{$path}' failed!");
}
}		}

private function executeInclude($path) {		private function executeInclude($path) {
// Suppress warning spew if the file does not exist; we'll throw an		// Include the source using `include_once`, but convert any warnings or
// exception instead. We still emit error text in the case of syntax errors.		// errors into exceptions.
$old = error_reporting(E_ALL & ~E_WARNING);
		// Some messages, including "Declaration of X should be compatible with Y",
		// do not cause `include_once` to return an error code. Use
		// error_get_last() to make sure we're catching everything in every PHP
		// version.

		// (Also, the severity of some messages changed between versions of PHP.)

		// Note that we may enter this method after some earlier, unrelated error.
		// In this case, error_get_last() will return information for that error.
		// In PHP7 and later we could use error_clear_last() to clear that error,
		// but the function does not exist in earlier versions of PHP. Instead,
		// check if the value has changed.

		// See also T12190.

		$old_last = error_get_last();

		$old = error_reporting(0);
$okay = include_once $path;		$okay = include_once $path;
error_reporting($old);		error_reporting($old);

return $okay;		if (!$okay) {
		throw new Exception("Source file \"{$path}\" failed to load.");
		}

		$new_last = error_get_last();
		if ($new_last !== null) {
		if ($new_last !== $old_last) {
		$message = $new_last['message'];
		throw new Exception(
		"Error while loading file \"{$path}\": {$message}");
		}
		}
}		}

private function loadExtension($library, $root, $path) {		private function loadExtension($library, $root, $path) {
$old_functions = get_defined_functions();		$old_functions = get_defined_functions();
$old_functions = array_fill_keys($old_functions['user'], true);		$old_functions = array_fill_keys($old_functions['user'], true);
$old_classes = array_fill_keys(get_declared_classes(), true);		$old_classes = array_fill_keys(get_declared_classes(), true);
$old_interfaces = array_fill_keys(get_declared_interfaces(), true);		$old_interfaces = array_fill_keys(get_declared_interfaces(), true);

$ok = $this->executeInclude($path);		$this->executeInclude($path);
if (!$ok) {
throw new PhutilBootloaderException(
"Include of extension file '{$path}' failed!");
}

$new_functions = get_defined_functions();		$new_functions = get_defined_functions();
$new_functions = array_fill_keys($new_functions['user'], true);		$new_functions = array_fill_keys($new_functions['user'], true);
$new_classes = array_fill_keys(get_declared_classes(), true);		$new_classes = array_fill_keys(get_declared_classes(), true);
$new_interfaces = array_fill_keys(get_declared_interfaces(), true);		$new_interfaces = array_fill_keys(get_declared_interfaces(), true);

$add_functions = array_diff_key($new_functions, $old_functions);		$add_functions = array_diff_key($new_functions, $old_functions);
$add_classes = array_diff_key($new_classes, $old_classes);		$add_classes = array_diff_key($new_classes, $old_classes);
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